githaven/vendor/github.com/alecthomas/chroma/lexers/n/newspeak.go

60 lines
1.7 KiB
Go
Raw Normal View History

package n
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// Newspeak lexer.
var Newspeak = internal.Register(MustNewLazyLexer(
&Config{
Name: "Newspeak",
Aliases: []string{"newspeak"},
Filenames: []string{"*.ns2"},
MimeTypes: []string{"text/x-newspeak"},
},
newspeakRules,
))
func newspeakRules() Rules {
return Rules{
"root": {
{`\b(Newsqueak2)\b`, KeywordDeclaration, nil},
{`'[^']*'`, LiteralString, nil},
{`\b(class)(\s+)(\w+)(\s*)`, ByGroups(KeywordDeclaration, Text, NameClass, Text), nil},
{`\b(mixin|self|super|private|public|protected|nil|true|false)\b`, Keyword, nil},
{`(\w+\:)(\s*)([a-zA-Z_]\w+)`, ByGroups(NameFunction, Text, NameVariable), nil},
{`(\w+)(\s*)(=)`, ByGroups(NameAttribute, Text, Operator), nil},
{`<\w+>`, CommentSpecial, nil},
Include("expressionstat"),
Include("whitespace"),
},
"expressionstat": {
{`(\d+\.\d*|\.\d+|\d+[fF])[fF]?`, LiteralNumberFloat, nil},
{`\d+`, LiteralNumberInteger, nil},
{`:\w+`, NameVariable, nil},
{`(\w+)(::)`, ByGroups(NameVariable, Operator), nil},
{`\w+:`, NameFunction, nil},
{`\w+`, NameVariable, nil},
{`\(|\)`, Punctuation, nil},
{`\[|\]`, Punctuation, nil},
{`\{|\}`, Punctuation, nil},
{`(\^|\+|\/|~|\*|<|>|=|@|%|\||&|\?|!|,|-|:)`, Operator, nil},
{`\.|;`, Punctuation, nil},
Include("whitespace"),
Include("literals"),
},
"literals": {
{`\$.`, LiteralString, nil},
{`'[^']*'`, LiteralString, nil},
{`#'[^']*'`, LiteralStringSymbol, nil},
{`#\w+:?`, LiteralStringSymbol, nil},
{`#(\+|\/|~|\*|<|>|=|@|%|\||&|\?|!|,|-)+`, LiteralStringSymbol, nil},
},
"whitespace": {
{`\s+`, Text, nil},
{`"[^"]*"`, Comment, nil},
},
}
}